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XOFF. You can disable software flow control by doingstty -ixon(add it to your~/.bashrc). Then that keystroke will be available to be bound to something else. By default in Bash it's bound toforward-search-history(the opposite of Ctrl-r). Ctrl-q (Bashquoted-insert) will also be available..bash_profilebe a better place? There's no need to turn it off in non-interactive shell, is it?.bash_profileis only executed when Bash is a login shell. "So, typically, your ~/.bash_profile contains the lineif [ -f ~/.bashrc ]; then . ~/.bashrc; fi"